* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
.test {
  background-color: aquamarine;
  padding: 10px;
}

.abc {
  color: orange;
  font-size: 28px;
}

.nav {
  background: orange;
  /* padding: 10px; */
  display: flex;
}
.nav a {
  color: #fff;
  padding: 10px;
  display: inline-block;
  text-decoration: none;
}

.nav a:hover,
.nav a.active {
  background: blueviolet;
}
